If I start ecasound as "ecasound -c", and then use the
cs-load command, it plays fine. If I use cs-load to
load song2.ecs, and then save it with the cs-save-as
command as song4.ecs, I can then run ecasound like
"ecasound -c -s song4.ecs" and it also works fine.
Here is the file (song4.ecs) that was saved from
cs-save-as: